#include <iostream>  
using namespace std;   
int main()
{
	string s;
	cin>>s;
	int i = 0;
	while(s[i] != 'E')i++;
	string t = s.substr(1, i-1);
	int n = stoi(s.substr(i+1));
	if(s[0] == '-') cout<<"-";
	if(n < 0)
	{
		cout<<"0.";
		for(int j = 0; j < abs(n) - 1; j++) cout<<"0";
		for(int j = 0; j < t.length(); j++)
			if(t[j] != '.')cout<<t[j];
	}
	else
	{
		cout<<t[0];
		int cnt,j;
		for(j = 2, cnt = 0 ; j < t.length()&& cnt < n; j++,cnt++)
			cout<<t[j];
		if(j == t.length()){
			for(int k = 0; k < n - cnt; k++) cout<<"0";
		}else{
			cout<<".";
			for(int k = j; k < t.length(); k++) cout<<t[k];
		}
	}
	return 0;
}
